How much did BBIO move each index today?
XBI: BBIO moved +0.48% and contributed +0.01 points of the index's +4.46-point move (0% of it), ranking #71 of 154 members by contribution to the move.
BBIO closed the 2026-10-09 session at 65.35; that day's move sits in the 62th percentile of its own past year. The stock is 27.5% below its 52-week closing high and −14.6% for the year so far.
BBIO in the XBI beyond today
| window | BBIO return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −2.83% | −0.06 pts | −0.68 pts | #23 of 157 |
| 1 month | −9.86% | −0.21 pts | −3.07 pts | #25 of 157 |
| quarter to date | −0.68% | −0.02 pts | −3.93 pts | #75 of 157 |
| year to date | −14.56% | +0.08 pts | +31.82 pts | #64 of 157 |
Who moved with and against BBIO today?
On BBIO's side of the XBI tape: MRNA (+0.45 pts), IOVA (+0.23 pts), PCVX (+0.19 pts). Pulling the other way: PRAX (−0.03 pts), MDGL (−0.02 pts), PURR (−0.02 pts).
Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/BBIO, free to cite with attribution.